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Thread: Color Mixing inverts along with image inversion

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  1. #6

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    Richard,

    Maybe you have done it the right way around but the fact of the matter is that you are employing 2 different color mixing systems RGB(additive) and CMY(subtractive) now, whereas the better and less confusing way across the lighting platform was to just use the one more employed by lighting (subtractive) as you did before.

    Here is exactly what is happenning in a more detailed description:

    The standard (uninverted) color mixing system in the current and V1.2 Catalyst is based on the subtractive color mixing system i.e. cyan, magenta, yellow where 2 FILTERS combined = secondaries(RGB) and all 3 combined = black; however, since it is a video system and not white light being subtracted via filters to render color, the card's default must be additive color mixing (RGB). You must have cleverly devised a system which reversed and employed the standard lighting color mixing standard so that the colors would match up with encoders and logically mix more like a lighting fixture for us lighting folk. This all works Dandy in the Standard Catalyst *RGB default* mode even though it is really CMY not RGB.

    Now, when the image is inverted, The color mixing system reverts back to True additive color mixing AKA - RGB where all colors mixed together = white and the encoders turn to red, blue, and green. This is the problem/bug.

    In V1.2, the inverted color mode wouldn't affect the subtractive color mixing system and would actually color the inverted media without it approaching whiteout, instead it would darken the inversion.

    In conclusion, you did do it the right way around, which is the problem, it needs to be back to the wrong way around in order for it to work properly and maintain continuity with the default color mixing system.

    This fix would aid greatly with the Catalyst user's current color mixing palettes AND more importantly, not to wash out to white so quick by mixing in secondary colors.

    Hope this helps, sorry if my first description was so vague.

    Christian Choi
    Last edited by litemover; 10-04-2004 at 02:27 AM.

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